BEACON: A Study Evaluating the Safety and Efficacy of BEAM-101 in Patients With Severe Sickle Cell Disease

This is an open-label, single-arm, multicenter, Phase 1/2 study evaluating the safety and efficacy of the administration of autologous base edited CD34+ HSPCs (BEAM-101) in patients with severe SCD

Key Inclusion Criteria Include:

1. Age ≥18 years to ≤35 years for the initial sentinel cohort; for subsequent enrollment patients from ≥12 years up to ≤35 years may be enrolled only upon approval by FDA.
2. Documented diagnosis of sickle cell disease with βS/βS, βS/β0, or βS/β+ genotypes.
3. Severe SCD defined by the occurrence of at least 4 severe VOCs in the 24 months prior to screening despite receiving hydroxyurea or other supportive care measures

Key Exclusion Criteria Include:

1. HbF levels \>20%, obtained at the time of screening on or off hydroxyurea therapy
2. Previous receipt of an autologous or allogeneic HSCT or solid organ transplantation
3. Available and willing matched sibling donor
4. Definitive diagnosis of moyamoya syndrome based on screening brain MRA
5. History of overt stroke